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Title: GCSE Biology Module 4
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
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Define saprophytes
...
How are leaves adapted for maximum
diffusion and sunlight absorption?
They have a large surface area
to volume ratio
...
How can you tell what mineral a plant is
lacking in by the colour of its leaves?
What are methods for
collecting living things?
What are the advantages/
disadvantages of intensive farming?
Poor growth & yellow leaves: lacking nitrates
...
Poor fruits/ flowers & discoloured leaves: lacking potassium
...
Pooter, net, pitfall trap, animal
identification key, quadrat
...
Disadvantages: chemicals can harm people, expensive
process
...
Disadvantages: not as efficient, slower processes
...
What can affect the distribution
of species in a specific place?
Presence of other animals,
natural resources
...
What does chlorophyll do?
Traps sunlight and gives leaves
their green colour
...
What does preserving food do,
in terms of enzyme activity?
Slows down enzyme activity so
they cannot work
...
What do fertilisers contain?
Nitrates, phosphates,
potassium and magnesium
...
What is an ecosystem?
An ecosystem is a community of
species and their environment
...
What is biodiversity?
The variety of life in the world or in
a particular habitat or ecosystem
...
What is the job of the stomata?
These allow carbon dioxide into
the plant cell
...
Why does a plant convert glucose (product
of photosynthesis) into starch?
It can be stored more easily and
it will not dissolve in water
...
Why do plant cells have a
transparent epidermis?
To allow light to pass through it
to get to the cells
Title: GCSE Biology Module 4
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.